CN113015304B - Lighting control device and lighting control system for vehicle - Google Patents
Lighting control device and lighting control system for vehicle Download PDFInfo
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- CN113015304B CN113015304B CN201911226075.0A CN201911226075A CN113015304B CN 113015304 B CN113015304 B CN 113015304B CN 201911226075 A CN201911226075 A CN 201911226075A CN 113015304 B CN113015304 B CN 113015304B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
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- Engineering & Computer Science (AREA)
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to a lighting control device (20) for a vehicle (10), comprising: a control module (21); at least one detection sensor (22) for receiving a trigger signal from a remote control device (40); a projection module (23) comprising at least two projection means; wherein the control module calculates a distance (d 1) between the remote control device and the vehicle based on the received trigger signal and sets the projection module based on the distance between the remote control device and the vehicle, and wherein the first projection device is configured to project illumination light in a first area (31) and the second projection device is configured to project illumination light in a second area (32), the first area being an area next to the door or the vehicle body side contour in a top view projection of the vehicle, the second area being an area further from the door or the vehicle body side contour than the first area. The invention also relates to a lighting control system comprising said lighting control device (20).
Description
Technical Field
The present invention relates to automotive electronics, and more particularly, to a lighting control device and a lighting control system for a vehicle.
Background
Automobiles are already on the market in modern automobiles equipped with an illumination light blanket, such as in a BMW automobile equipped with a welcome light blanket. When a driver unlocks a vehicle with a key or pushes a door each time, the light blanket system projects a light blanket on the ground, the area beside the door is illuminated by light and forms a light blanket-like effect, but only the area very close beside the door (usually only an area about 1 meter wide) is illuminated by the light, thereby providing a certain illumination for the driver or the passenger to see the steps or the obstacles in the area when the light is dark, and also enabling the driver and the passenger to get on or off the vehicle to have a full of ceremony feeling, so that the life of the vehicle is more fun, and particularly, the driver can experience a distinctive feeling when getting on or off the vehicle at night and simultaneously the personal safety is improved.
Disclosure of Invention
However, the inventors of the present application found that: as already mentioned above, existing light blanket systems can only provide illumination light bands/light blankets in a very close area (typically about 1 meter) beside the vehicle; however, when the driver or passenger is far from the vehicle, there may still be obstacles such as steps, pits, etc. between themselves and the vehicle, so that the far road condition obstacles are not accessible to the existing light blanket system, and the driver or passenger cannot see at all. Moreover, the existing light blanket system only has one operation mode (or on or off), and cannot flexibly meet the increasing demands of users.
It is therefore an object of the present invention to provide a lighting control device and a lighting control system of a vehicle which enable a driver and an occupant to be flexibly provided with more modes of lighting adapted to their needs in a wider range according to the real-time positioning of the driver.
The lighting control device for a vehicle according to the present invention includes: a control module; at least one detection sensor for receiving a trigger signal from a remote control device; the projection module comprises at least two projection devices; wherein the control module calculates a distance between the remote control device and the vehicle according to the received trigger signal, sets the projection module according to the distance between the remote control device and the vehicle, and a first projection device of the at least two projection devices is used for projecting illumination light in a first area, and a second projection device of the at least two projection devices is used for projecting illumination light in a second area, wherein in a top projection view of the vehicle, the first area is an area next to a door or a side contour of the vehicle, and the second area is an area farther from the door or the side contour of the vehicle than the first area; the control module sets a first projection device and a second projection device among the at least two projection devices by comparing a distance between the remote control device and the vehicle with a preset distance; when the control module judges that the distance between the remote control device and the vehicle is larger than the preset distance, the control module sets and starts the first projection device and the second projection device to turn on illumination; when the control module judges that the distance between the remote control device and the vehicle is smaller than or equal to the preset distance, the control module sets to start the first projection device to turn on illumination and sets to turn off the second projection device. The remote control device may be, for example, an automotive electronic key for automatically opening and closing a door lock of a vehicle equipped with a keyless entry system, which is carried around by a driver. Therefore, the illumination control device of the invention can correspondingly control the projection module according to the actual distance between a driver (namely, a remote control device) and a vehicle, and the possibility of setting different operation modes of the projection module is opened.
According to a preferred embodiment, a first one of the at least two projection devices is used for projecting illumination light in a first area and a second one of the at least two projection devices is used for projecting illumination light in a second area. In a top projection of the vehicle, the first region may be, for example, a region such as a sector or a bar next to the door or the bodyside contour, and the second region may be a region such as a sector or a bar further from the door or the bodyside contour than the first region. Preferably, the first region and the second region are adjacent to each other or partially overlap each other in a top view of the vehicle. For example, the first region may be a region from 0 to 1 meter away from the door or bodyside profile, while the second region may be a region from 1 to 3 meters, or even away from the door or bodyside profile. By the corresponding arrangement of the first and second projection means with the first and second areas, respectively, different illumination ranges can be activated for the driver and the passenger.
According to a preferred embodiment, the control module sets the first projection device and the second projection device by comparing the distance between the remote control device and the vehicle with a preset distance. Further preferred are: when the control module judges that the distance between the remote control device and the vehicle is larger than the preset distance, the control module sets and starts the first projection device and the second projection device to turn on illumination; when the control module judges that the distance between the remote control device and the vehicle is smaller than or equal to the preset distance, the control module sets to start the first projection device to turn on illumination and sets to turn off the second projection device. Therefore, the real-time distance between the driver and the vehicle door can flexibly adapt to the current requirements to illuminate the range of different sizes for the driver and the passengers, the visual field of the driver and the passengers is expanded, and the driver and the passengers can see the road condition clearly in a wider range under the condition of dim light, so that the driver and the passengers can be prevented from being stumbled by obstacles or from being sprained due to pits when getting on or off the vehicle. Meanwhile, the two operation modes can be freely switched in real time according to the real-time distance, so that the energy-saving purpose can be achieved.
According to a preferred embodiment, the first and second projection means are configured to project images which are graphics (e.g. striped carpet patterns) and/or numbers (e.g. date) and/or text (e.g. "welcome").
According to a preferred embodiment, the at least one detection sensor is configured to receive signals from the at least one remote control device via wireless signals.
According to a preferred embodiment, the control module determines the distance between the remote control device and the vehicle based on the intensity of the signal received by the at least one detection sensor.
The lighting control system according to the present invention comprises: the lighting control device and the at least one remote control device according to the invention are used for sending out trigger signals.
The lighting control device and the lighting control system according to the invention realize that more modes of lighting which are more matched with actual demands are provided for drivers and passengers according to the specific positioning of approaching drivers, namely the real-time distance from the vehicles, so that the drivers and passengers can see the road conditions in a wider range under the condition of dim light, and the drivers and passengers can not stumble by obstacles or sprained and fall due to pits when getting on or off. In addition, the two operation modes can be freely and flexibly switched according to the corresponding real-time distance, so that the energy-saving purpose can be achieved.
Drawings
Further features, details and advantages of the invention are set forth in the following description with reference to the drawings. In the figure:
FIG. 1 is a schematic diagram of a lighting control system including a lighting control device and a remote control device according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a lighting control system according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than those herein described, and those skilled in the art may readily devise numerous other arrangements that do not depart from the spirit of the invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.
The expression "and/or" as used herein is meant to include at least one of the components listed before and after the expression. The expression "connected/coupled" is used in a sense to include a direct connection with another component or an indirect connection via another component. The singular forms herein also include the plural unless specifically mentioned in the language. Moreover, as used herein, the meaning of components, steps, operations, and elements that are referred to as "comprising" or "including" is that there is or is added at least one other component, step, operation, and element.
It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein generally include motor vehicles, such as passenger vehicles including Sport Utility Vehicles (SUVs), buses, vans, various commercial vehicles, watercraft including various boats, ships, aircraft, etc., and include hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (e.g., fuels derived from sources other than petroleum). As referred to herein, a hybrid vehicle is a vehicle having two or more power sources, such as a vehicle having both gasoline and electric power.
As used herein, the phrase "vehicle (on-board) system" means an integrated information system having wireless communication capabilities. These systems are sometimes referred to as in-vehicle information systems and are typically integrated with telematics services, entertainment systems, and/or navigation systems.
Furthermore, it should be understood that the term "controller" refers to a hardware device that includes a memory and a processor. The memory is configured to store program instructions that the processor is configured to execute to perform one or more processes described further below.
In the present invention, memory or storage may include, but is not limited to, a disk drive, optical storage device, solid state memory, floppy disk, hard disk, magnetic tape, or any other magnetic medium, optical disk or any other optical medium, ROM (read only memory), RAM (random access memory), cache memory, and/or any other memory chip or cartridge and/or any other medium from which a computer may read data, instructions, and/or code. The processor may include a central processing unit (cpu= Central Processing Unit), a graphics processor (gpu= Graphics Processing Unit), an Application specific integrated circuit (asic=application-Specific Integrated Circuit), an integrated circuit (ic= Integrated Circuit), a System on Chip (soc=system on Chip), a programmable logic element, or a field programmable gate array with a microprocessor (fpga= Field Programmable Gate Array).
In the present invention, each module, device or apparatus may be or include any type of computing device, computing circuit, or any type of processor or processing circuit capable of executing a series of instructions stored in memory. Each module or device may include multiple processors and/or multi-core Central Processing Units (CPUs) and may include any type of processor, such as microprocessors, digital signal processors, microcontrollers, and the like. The various modules or means may also include memory to store data and/or program code to execute a series of instructions.
The computer readable storage medium may be machine readable or computer readable. Thus, in some embodiments the computer readable storage medium comprises a data carrier having executable instructions that can interact with a programmable computer system or programmable hardware components such that the control processes described herein are implemented. Thus, an embodiment is a data carrier, a digital storage medium or a computer readable storage medium, on which a program for implementing the control process described herein is recorded.
Embodiments of the invention may generally be implemented as a program, firmware, computer program or computer program product having a program code or as data which when the program is run on a processor or programmable hardware components effectively implement a control procedure. Program code or data may also be stored on a machine-readable carrier or data carrier, for example. Program code or data may additionally exist as source code, machine code or byte code and as other intermediate code.
Furthermore, another embodiment is a data stream, a signal sequence, or a signal sequence, which is a program for implementing the control process described herein. The data stream, signal sequence, or signal sequence may be configured for transmission via a data communication connection, such as via the internet or other network, for example. Thus, an embodiment may also be a signal sequence representing data, which is suitable for transmission via a network or a data communication connection, wherein the data is a program.
Fig. 1 is a schematic view of an automobile equipped with a lighting control system according to the present invention. The lighting control system comprises a lighting control device 20 according to the invention and at least one remote control device 40.
As shown in the schematic block diagram of the lighting control system according to the invention shown in fig. 2, the lighting control device 20 according to the invention comprises a control module 21, at least one detection sensor 22 and a projection module 23, wherein the projection module 23 comprises at least one first projection device and at least one second projection device. The first projection means is used for projecting illumination light at a first area 31 and the second projection means is used for projecting illumination light at a second area 32, wherein in a top view projection of the vehicle, the first area 31 may be, for example, an area such as a sector or a bar next to a door or a body side contour, and the second area 32 may be an area such as a sector or a bar further from the door or the body side contour than the first area 31. Preferably, the first region 31 and the second region 32 are adjacent to each other or partially overlap each other in a top view of the vehicle. For example, in a top projection view of the vehicle, the first region 31 may be a region 0 to 1 meter away from the door or body side contour, while the second region 32 may be a region 1 to 3 meters, or even more, from the door. Of course, such numerical ranges are merely exemplary, and larger or smaller ranges are possible. In the plan projection view shown in fig. 1, the projection module 23 of the illumination control apparatus 20 according to the present invention is mounted at the front door lower bumper of the vehicle, the first region 31 is a sector-shaped region taking the projection point of the projection module 23 on the ground as a starting point, and the second region 32 is a sector-shaped region further outside than the first region 31 with respect to the vehicle.
The operation of the lighting control system and the lighting control apparatus according to the present invention will be described in detail.
The remote control 40 is used to send out a trigger signal. The remote control device may be, for example, an automotive electronic key for automatically opening and closing a door lock of a vehicle equipped with a keyless entry system.
The at least one detection sensor 22 is configured to receive signals from the at least one remote control device 40 via wireless signals.
When the driver 50 walks a certain distance to the vehicle carrying the remote control 40, the remote control sends out a trigger signal; the trigger signal is received by the detection sensor 22. Then, the control module 21 calculates a distance d1 between the remote control device 40 (i.e., the driver) and the vehicle based on the received trigger signal, and sets the projection module 23 accordingly based on the distance d1 between the remote control device 40 and the vehicle.
Here, for example, the control module 21 determines the distance d1 between the remote control device 40 and the vehicle 10 based on the intensity of the signal received by the at least one detection sensor 22. Or alternatively the detection sensor 22 may be, for example, a distance sensor capable of sensing the distance between it and the remote control device, and the sensed distance signal can be transmitted to the control module 21.
The control module 21 comprises a central processing unit (or arithmetic unit) and a memory in which at least one predetermined distance d2 is stored. The control module 21 or its central processor compares the distance d1 between the remote control 40 and the vehicle with a predetermined distance d2 and sets the steering projection module 23 or its first and second projection devices accordingly as a function of the comparison result.
More specifically, when it is determined that the distance d1 between the remote control device 40 and the vehicle is greater than the preset distance d2, the control module 21 sets to activate the first projection device and the second projection device to turn on illumination (referred to as "first operation mode"); and when it is determined that the distance d1 between the remote control device 40 and the vehicle is less than or equal to the preset distance d2, the control module 21 sets to activate the first projection device to turn on the illumination and sets to deactivate the second projection device (referred to as "second operation mode").
The control module 21 may be part of a central controller of the vehicle or a separate control unit.
The first projection device and the second projection device are configured to project images that are graphics (e.g., striped carpet patterns) and/or numbers (e.g., dates) and/or text (e.g., "welcome").
Furthermore, the lighting control system according to the invention is preferably dynamically adaptable according to the user's needs, for example the size of the first area 31 and the second area 32 and the size of the preset distance d2 may be personalized by the user within a certain range. The lighting control system and the lighting control device according to the present invention are capable of dynamic operation in accordance with the real-time distance d1 between the driver 50, i.e. the remote control device 40, and the vehicle, and are capable of being switched freely between the first mode and the second mode. For example, initially when it is determined that the distance d1 between the remote control device 40 and the vehicle is greater than the preset distance d2, the control module 21 sets to activate both the first projection device and the second projection device to turn on illumination; then as the driver 50 gets closer to the vehicle, the control module 21 sets the first projection device to be activated for illumination and sets the second projection device to be turned off when it is determined that the distance d1 between the remote control device 40 and the vehicle is less than or equal to the preset distance d2.
In summary, the lighting control device and the lighting control system according to the present invention achieve that the driver and the passenger are provided with the lighting more matched with the actual demands according to the specific positioning of the approaching driver, that is, the real-time distance from the vehicle, so that the driver and the passenger can see the road condition in a wider range under the condition of dim light, and the safety of the person is improved when the driver and the passenger get on or off the vehicle and are prevented from being stumbled by obstacles or sprained, fallen down due to pits, etc. Moreover, when the driver or the passenger gets off the vehicle and the distance d1 is within the range of the preset distance d2, only the first projection device is required to be started, and the second projection device is only started at a longer distance, and the two running modes can be freely switched in real time; thereby achieving the purpose of energy saving.
It is furthermore to be noted that the embodiments and variants of the invention described in the various embodiments and shown in the figures can be combined with one another as desired. The features can be arbitrarily interchanged here.
The features disclosed in the description or the individual features of the claims may be combined with one another in any desired manner, provided that such a combination is technically possible.
Claims (6)
1. A lighting control device (20) for a vehicle (10), comprising:
a control module (21);
at least one detection sensor (22) for receiving a trigger signal from a remote control device (40);
a projection module (23) comprising at least two projection means;
wherein the control module (21) calculates the distance (d 1) between the remote control device (40) and the vehicle according to the received trigger signal, and sets the projection module (23) according to the distance (d 1) between the remote control device (40) and the vehicle,
and a first projection device of the at least two projection devices is used for projecting illumination light in a first area (31), and a second projection device of the at least two projection devices is used for projecting illumination light in a second area (32), wherein in a top view projection of the vehicle, the first area (31) is an area next to the door or the body side contour, and the second area (32) is an area farther from the door or the body side contour than the first area (31);
the control module (21) sets a first projection device and a second projection device among the at least two projection devices by comparing a distance (d 1) between the remote control device (40) and the vehicle with a preset distance (d 2);
when the control module (21) judges that the distance (d 1) between the remote control device (40) and the vehicle is larger than the preset distance (d 2), the control module (21) is used for starting the first projection device and the second projection device to turn on illumination;
when the control module (21) determines that the distance (d 1) between the remote control device (40) and the vehicle is smaller than or equal to the preset distance (d 2), the control module (21) sets to start the first projection device to turn on illumination and sets to turn off the second projection device.
2. The lighting control device (20) according to claim 1, characterized in that the first area (31) and the second area (32) are adjacent to each other or partially overlap each other.
3. The lighting control device (20) according to claim 1 or 2, characterized in that the first projection device and the second projection device are configured to project images, which are graphics and/or numbers and/or text.
4. The lighting control device (20) according to claim 1 or 2, characterized in that the at least one detection sensor (22) is configured to receive a signal from the remote control device (40) by means of a wireless signal.
5. The lighting control device (20) according to claim 1 or 2, characterized in that the control module (21) determines the distance (d 1) between the remote control device (40) and the vehicle (10) from the intensity of the signal received by the at least one detection sensor (22).
6. A lighting control system, comprising:
the lighting control device (20) according to one of claims 1 to 5; and
at least one remote control device (40) for emitting a trigger signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911226075.0A CN113015304B (en) | 2019-12-04 | 2019-12-04 | Lighting control device and lighting control system for vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911226075.0A CN113015304B (en) | 2019-12-04 | 2019-12-04 | Lighting control device and lighting control system for vehicle |
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| CN113015304A CN113015304A (en) | 2021-06-22 |
| CN113015304B true CN113015304B (en) | 2024-04-09 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116181188A (en) * | 2022-12-22 | 2023-05-30 | 重庆长安汽车股份有限公司 | Control method and system for opening vehicle door and vehicle |
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